"As a rule, I have found that the greater brain a man has, and the better educated, the easier it has been to mystify him." So said master illusionist Harry Houdini. He said it during his spat with Sherlock Holmes’ creator Sir Arthur Conan Doyle over the latter’s belief in seances and fairies. Despite being a literary genius, Conan Doyle nevertheless had some foolish ideas. He’s not alone. Researchers have even coined ‘Nobel Disease,’ referring to the tendency for some Nobel Prize winners to embrace unconventional beliefs. Charles Richet, for instance, won the 1913 Nobel Prize in Physiology or Medicine...